Latest Joker IOC URL Guide
Discover the latest Joker IOC URL and how to use it safely.
Redeem your gift cards at any of our Merchants
You can purchase a gift card from any of these locations
Onyx Gift Cards is a Grenadian company designed to introduce, market and manage gift cards systems in Grenada for retailers and corporations. We are enthusiastic about the effect and influence we will have on the local market. We intend to expand our systems regionally with a range of product offerings and services.
Gift cards are the preferred way of giving and receiving gifts. They carry a monetary value that can be redeemed for gifts at your favorite store.
Onyx GiftCards are “Open Gift Cards” which means that they can be redeemed at multiple merchant locations. They are standard credit card size, can fit into the average wallet and made of PVC plastic. Onyx GiftCards are Barcoded for security and safety for the consumer and bear a disclaimer at the back.
Onyx Giftcards can be bought with a branded Card backer which is black in colour and is designed to fit the card. There is an area to write a brief message to the recipient as well.
Latest Joker IOC detection starts with four buckets: Android package names and signing certificate hashes, command-and-control domains and URLs, SMS plus notification permissions bundled with obfuscated DEX loaders, and premium-billing strings inside app resources. Match those artifacts against a feed you refresh on a schedule, then pivot on each hit until the sample is confirmed or cleared. Hash-only scanning misses current variants because the operators repackage the loader.
Joker is Android malware tracked since 2017 under the name Bread. Its business is silent premium SMS subscription and theft of SMS and contact data.
An indicator is any artifact you can match without running the code. For Joker that means package and class names, certificate fingerprints, file hashes, domains, IP addresses, and strings pulled from the DEX or resources.
Behavioral rules count as well. A dropper that decrypts a second DEX from assets and loads it through reflection is a Joker pattern, even when every hash is new.
Vendor feeds publish Joker indicators after each campaign wave. Free and paid sources both work if you track the collection date and feed version.
Feed age matters more than feed size. An indicator list from 2019 will miss current samples because the operators rotate domains and repackage the loader.
Unpack the APK, hash the DEX files, and read the manifest. Flag apps that request SMS plus notification access and show no matching function in the store listing.
MobSF, Androguard, and jadx handle this at scale. Compare certificate fingerprints across your installed base. A shared certificate on unrelated apps is a strong signal.
Run the sample in an instrumented emulator and watch for reflection, dynamic DEX loading, and delayed SMS sends. Joker waits before it acts, so short runs miss the payload.
Capture DNS and TLS SNI from the device or emulator. Match both against your domain list and against domain-generation patterns seen in current campaigns.
Joker traffic often sits behind a harmless hostname or a bare IP over HTTPS. Certificate pinning is rare, so a proxy with a trusted CA gives you plaintext for string matching.
Joker ships in stages. The first APK looks harmless and holds a small loader. That loader fetches or decrypts the payload after install, which breaks hash-based detection.
Operators also delay the malicious code. Some samples stay dormant for days, which defeats short sandbox runs and quick review.
Obfuscation adds noise. String encryption and reflection hide the SMS and billing calls from grep-style scanners.
Domains and payload URLs change with each wave, often within days. Package names change when the operator republishes under a new developer account.
Certificate hashes and code-level patterns last longer. Build detection around those two and treat domains as short-lived enrichment.
A stored indicator without a date turns into noise within a quarter.
Yes. Google removes Joker apps from Play in recurring waves and the operators republish. The family persists because premium SMS billing stays profitable where carrier billing is common.
No single scanner catches everything. Play Protect and other engines catch known variants, while a fresh dropper with clean hashes can pass until a feed updates.
The signing certificate. Operators reuse keys across campaigns more than they reuse domains, and a certificate match survives repackaging.
Daily for domains and weekly for hashes and certificate data, with an immediate pull after any vendor campaign report. Stale feeds create false confidence.